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Activation

M

manook

macrumors newbie
Original poster
Sep 6, 2010
15
0
it's a simple question i have an iPhone 4 of at&t, i use it with ultrasnow with other carrier, my question is whe i update to the iOS 5 preserving baseband will i need the at&t sim for activate or not? if its inactive will it work?

thank you very much
 
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